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nbsdgames
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nbsdgames/muncher.c

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/*
|\/|
| |UNCHER
Authored by abakh <abakh@tuta.io>
To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include "common.h"
#define SAVE_TO_NUM 10
#define MINLEN 10
#define MAXLEN 24
#define MINWID 40
#define MAXWID 80
enum {UP=1,RIGHT,DOWN,LEFT,FOOD,SUPERFOOD,TRAP};
/* The Plan9 compiler can not handle VLAs */
#ifdef NO_VLA
#define len 36
#define wid 80
#ifdef Plan9
int usleep(long usec) {
int second = usec/1000000;
long nano = usec*1000 - second*1000000;
struct timespec sleepy = {0};
sleepy.tv_sec = second;
sleepy.tv_nsec = nano;
nanosleep(&sleepy, (struct timespec *) NULL);
return 0;
}
#endif
#else
int len,wid;
#endif//NO_VLA
int py,px;//pointer
byte pse_msg=20;//flashing animations might hurt some people
bool epilepsy=0;
char alt_animation[4]={'-','\\','|','/'};
int immunity;
byte direction;
long score;
chtype colors[6]={0};
FILE* scorefile;
void logo(void){
mvaddstr(1,0,"|\\/|");
mvaddstr(2,0,"| |UNCHER");
}
byte save_score(void){
return fallback_to_home("muncher_scores",score,SAVE_TO_NUM);
}
void show_scores(byte playerrank){
erase();
logo();
if(playerrank==FOPEN_FAIL){
mvaddstr(3,0,"Could not open score file");
printw("\nHowever, your score is %ld.",score);
refresh();
return;
}
if(playerrank == 0){
char formername[60]={0};
long formerscore=0;
rewind(score_file);
fscanf(score_file,"%*s : %*d\n");
move(3,0);
byte b=0;
if ( fscanf(score_file,"%s : %ld\n",formername,&formerscore)==2){
halfdelay(1);
printw("*****CONGRATULATIONS!****\n");
printw(" You beat the\n");
printw(" previous\n");
printw(" record\n");
printw(" of\n");
printw(" %14ld\n",formerscore);
printw(" held by\n");
printw(" %11s\n",formername);
printw(" \n");
printw(" \n");
printw("*************************\n");
printw("Press a key to proceed:");
Effect:
move(4,0);
attron(colors[b]);
mvprintw(4,0, " _____ ");
mvprintw(5,0, " .' |");
mvprintw(6,0, " .' |");
mvprintw(7,0, " | .| |");
mvprintw(8,0, " |.' | |");
mvprintw(9,0, " | |");
mvprintw(10,0," ___| |___");
mvprintw(11,0," | |");
mvprintw(12,0," |____________|");
attroff(colors[b]);
b=(b+1)%6;
if(getch()==ERR)
goto Effect;
nocbreak();
cbreak();
erase();
logo();
}
}
//scorefile is still open with w+
move(3,0);
char pname[60] = {0};
long pscore=0;
byte rank=0;
rewind(score_file);
printw(">*>*>Top %d<*<*<\n",SAVE_TO_NUM);
while( rank<SAVE_TO_NUM && fscanf(score_file,"%s : %ld\n",pname,&pscore) == 2){
if(rank == playerrank)
printw(">>>");
printw("%d) %s : %ld\n",rank+1,pname,pscore);
++rank;
}
addch('\n');
refresh();
}
void rectangle(void){
for(int y=0;y<=len;++y){
mvaddch(3+y,0,ACS_VLINE);
mvaddch(4+y,1+wid,ACS_VLINE);
}
for(int x=0;x<=wid;++x){
mvaddch(3,x,ACS_HLINE);
mvaddch(4+len,x,ACS_HLINE);
}
mvaddch(3,0,ACS_ULCORNER);
mvaddch(4+len,0,ACS_LLCORNER);
mvaddch(3,1+wid,ACS_URCORNER);
mvaddch(4+len,1+wid,ACS_LRCORNER);
}
void place_food(byte board[len][wid]){
int y,x;
do{
y=rand()%len;
x=rand()%wid;
}while(y==py && x==px);
board[y][x]=FOOD;
byte num;
if(score<300)
num=rand()%2;
else if(score<500)
num=1+rand()%2;
else if(score<1000)
num=2+rand()%4;
else if(score<2000)
num=5+rand()%6;
else
num=10+rand()%11;
while(num){
Again:
y=rand()%len;
x=rand()%wid;
if(abs(y-py)<4 && abs(x-px)<7)
goto Again;
if(board[y][x]==FOOD)
goto Again;
board[y][x]=TRAP;
--num;
}
if(score>2000 && !(rand()%5)){
do{
y=rand()%len;
x=rand()%wid;
}while(y==py && x==px && board[y][x]!=FOOD);
board[y][x]=SUPERFOOD;
}
}
void draw(byte board[len][wid]){
int y,x;
static byte effect=0;
chtype prnt;
rectangle();
for(y=0;y<len;++y){
for(x=0;x<wid;++x){
if(y==py && x==px){
prnt='r'|colors[2]|A_STANDOUT;
if(immunity){
if(epilepsy)
prnt='r';
else
prnt='r'|colors[effect]|A_BOLD;
}
}
else if(board[y][x]==TRAP)
prnt='^'|colors[((y*x)/15)%6];
else if(board[y][x]==FOOD)
prnt='%'|colors[(y+x)%6];
else if(board[y][x]==SUPERFOOD){
if(epilepsy)
prnt=alt_animation[effect/10];
else
prnt='%'|colors[effect];
}
else
prnt= ' ';
mvaddch(4+y,x+1,prnt);
}
}
if(epilepsy)
effect=(effect+1)%40;
else
effect=(effect+1)%6;
if(pse_msg && !epilepsy){
mvprintw(len+5,0,"Suffering PSE? Press e.");
--pse_msg;
}
}
void help(void){
nocbreak();
cbreak();
erase();
logo();
attron(A_BOLD);
mvprintw(3,0," **** THE CONTROLS ****");
attroff(A_BOLD);
mvprintw(4,0,"hjkl/ARROW KEYS : Change direction");
mvprintw(5,0,"q : Quit");
mvprintw(6,0,"F1 & F2: Help on controls & gameplay");
mvprintw(8,0,"Press a key to continue");
refresh();
getch();
erase();
halfdelay(1);
}
void gameplay(void){
nocbreak();
cbreak();
erase();
logo();
attron(A_BOLD);
mvprintw(3,0," **** THE GAMEPLAY ****");
attroff(A_BOLD);
move(4,0);
printw("Eat the food and avoid the traps.\n");
refresh();
getch();
halfdelay(1);
}
void sigint_handler(int x){
endwin();
puts("Quit.");
exit(x);
}
int main(int argc, char** argv){
signal(SIGINT,sigint_handler);
initscr();
#ifndef NO_VLA
len=LINES-7;
if(len<MINLEN)
len=MINLEN;
else if(len>MAXLEN)
len=MAXLEN;
wid=COLS-5;
if(wid<MINWID)
wid=MINWID;
else if(wid>MAXWID)
wid=MAXWID;
#endif
srand(time(NULL)%UINT_MAX);
byte board[len][wid];
bool halfspeed=0;
int constant=150*(80*24)/(len*wid);
initscr();
noecho();
cbreak();
keypad(stdscr,1);
if(has_colors()){
start_color();
use_default_colors();
init_pair(1,COLOR_BLUE,-1);
init_pair(2,COLOR_GREEN,-1);
init_pair(3,COLOR_YELLOW,-1);
init_pair(4,COLOR_CYAN,-1);
init_pair(5,COLOR_MAGENTA,-1);
init_pair(6,COLOR_RED,-1);
for(byte b= 0;b<6;++b){
colors[b]=COLOR_PAIR(b+1);
}
}
Start:
curs_set(0);
halfdelay(1);
score=direction=immunity=0;
py=len/2;
px=wid/2;
memset(board,0,len*wid);
place_food(board);
int preinput,input=0;
while(1){
erase();
logo();
mvprintw(1,11,"Score:%ld",score);
if(immunity)
mvprintw(2,11,"Immunity:%d",immunity);
draw(board);
refresh();
if( board[py][px]==FOOD ){
score+= constant;
board[py][px]=0;
if(!epilepsy){
for(byte b=0;b<6;++b){
mvaddch(4+py,px+1,'r'|colors[b]|A_STANDOUT);
refresh();
usleep(100000/5);
}
}
place_food(board);
}
if( board[py][px]==SUPERFOOD ){
immunity+=(len+wid)/2;
board[py][px]=0;
}
if(board[py][px]==TRAP){
if(immunity)
board[py][px]=0;
else
break;
}
if(px<0 || px>=wid)
break;
halfspeed=!halfspeed;
preinput=input;
input = getch();
if( input == KEY_F(1) || input=='?' )
help();
if( (input==KEY_F(2)||input=='!') )
gameplay();
if( (input=='k' || (input==KEY_UP||input=='w')) && py>0 ){
direction=UP;
halfspeed=1;
}
if( (input=='j' || (input==KEY_DOWN||input=='s')) && py<len-1 ){
direction=DOWN;
halfspeed=1;
}
if( (input=='h' || (input==KEY_LEFT||input=='a')) && px>0 )
direction=LEFT;
if( (input=='l' || (input==KEY_RIGHT||input=='d')) && px<wid-1 )
direction=RIGHT;
if( input=='e')
epilepsy=1;
if( (input=='q'||input==27))
sigint_handler(0);
if( input=='p'){
nocbreak();
cbreak();
erase();
logo();
attron(A_BOLD);
mvaddstr(1,11,"PAUSED");
attroff(A_BOLD);
getch();
halfdelay(1);
}
if(input!=ERR){
if(preinput==input){//if it wasn't there, hitting two keys in less than 0.1 sec would not work
usleep(100000);
flushinp();
}
}
if(direction==UP && halfspeed){
if(!py)
break;
--py;
}
else if(direction==DOWN && halfspeed){
if(py==len-1)
break;
++py;
}
else if(direction==LEFT){
if(!px)
break;
--px;
}
else if(direction==RIGHT){
if(px==wid-1)
break;
++px;
}
if(immunity)
--immunity;
}
nocbreak();
cbreak();
draw(board);
refresh();
mvprintw(len+5,0,"Game over! Press a key to see the high scores:");
getch();
show_scores(save_score());
printw("Game over! Wanna play again?(y/n)");
curs_set(1);
input=getch();
if( input!= 'N' && input!= 'n' && input!='q')
goto Start;
endwin();
return EXIT_SUCCESS;
}
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